Finding the Fourth Proportional to 167,307.03, 230,868.36 and 99,312.39
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Solution
The fourth proportional to 167,307.03, 230,868.36 and 99,312.39 is: 137,041.99
Step by Step Solution
- Step 1: Write the proportion equation
167,307.03 : 230,868.36 = 99,312.39 : x - Step 2: Convert to fraction form
167,307.03/230,868.36 = 99,312.39/x - Step 3: Cross multiply
167,307.03x = 230,868.36 × 99,312.39 - Step 4: Simplify right side
167,307.03x = 22,928,088,606.98 - Step 5: Solve for x
x = 22,928,088,606.98/167,307.03 - Step 6: Final answer
x = 137,041.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.